cdict - plain-text CLI wrapper for cdict.net (英漢字典) lookups

cdict

#!/usr/bin/env bash
set -euo pipefail

if [[ $# -eq 0 ]]; then
  echo "用法: cdict <單字或詞>" >&2
  exit 1
fi

term="$*"

html=$(curl -fsSL -A "Mozilla/5.0" -G --data-urlencode "q=${term}" "https://cdict.net/")

# 只取 <pre> 區塊內、第一個字典來源的內容
entry=$(printf '%s\n' "$html" | perl -0777 -ne '
  if (/<a name=result><\/a><pre>(.*?)<\/pre>/s) {
    my $body = $1;
    # 只保留第一個來源，切到第二個來源標記之前
    $body =~ s/(<span class=source>.*?<\/span><br>.*?)(<span class=source>.*)/$1/s;
    print $body;
  }
')

if [[ -z "$entry" ]] || [[ "$entry" == *"沒有發現"* ]]; then
  echo "找不到「${term}」的翻譯" >&2
  exit 1
fi

printf '%s\n' "$entry" \
  | sed -E 's/<[^>]*>//g' \
  | perl -CSD -pe '
      s/&#x([0-9a-fA-F]+);/chr(hex($1))/ge;
      s/&#(\d+);/chr($1)/ge;
      s/&amp;/&/g;
      s/&lt;/</g;
      s/&gt;/>/g;
      s/&quot;/"/g;
    ' \
  | sed -E '/^[[:space:]]*$/d' \
  | sed -E 's/^[[:space:]]+//'